No abstract available
Publication types
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Letter
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Bronchi / virology*
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COVID-19 / diagnosis*
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COVID-19 Nucleic Acid Testing / methods*
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COVID-19 Nucleic Acid Testing / statistics & numerical data
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Child
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Child, Preschool
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Female
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Humans
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Infant
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Infant, Newborn
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Male
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Pediatrics / methods
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Reproducibility of Results
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SARS-CoV-2
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Trachea / virology*